Document Detail


Improved hemodynamics and outcome after modified Norwood operation on the beating heart.
MedLine Citation:
PMID:  16488704     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: Recently introduced cardiopulmonary bypass techniques to avoid circulatory arrest were proposed to improve organ function of the modified Norwood operation for hypoplastic left heart syndrome. This study compares postoperative hemodynamics and survival in patients who underwent Norwood procedure on the beating heart to those operated on with cardioplegic cardiac arrest. METHODS: Between October 2002 and January 2005, 26 consecutive patients aged 4 to 275 days (median, 9 days) and weighing 2.9 to 4.4 kg (median, 3.4 kg) underwent Norwood palliation: 13 with continuous coronary and systemic perfusion (group 1), and 13 with only continuous systemic perfusion but arrested heart (group 2). Standard hemodynamic measurements, lactate levels, arterial and superior vena cava oxygen saturations, and inotropic agents required for postoperative hours 0, 6, 12, 18, 24, and 48 were retrospectively analyzed. For univariate comparison of different variables, chi2 test, Fisher's exact test, or Student's t test was used as appropriate. RESULTS: In group 1 significantly higher mean arterial pressure (53 +/- 0.8 versus 50 +/- 1.2 mm Hg; p = 0.04), higher central oxygen saturation (54% +/- 1.1% versus 50% +/- 1.5%; p = 0.03), higher urinary output (5.3 +/- 0.4 versus 4.4 +/- 0.4 mL.kg(-1).h(-1); p = 0.09), lower lactate levels (2.4 +/- 0.1 versus 4.1 +/- 0.6 mmol/L; p = 0.009) with lower doses of norepinephrine (0.03 +/- 0.004 versus 0.14 +/- 0.03 microg.kg(-1).min(-1); p = 0.002) were recognized. Hospital mortality was 0% in group 1 and 38.5% (5 of 13) in group 2 (p = 0.04). Univariate analysis revealed mortality to be also correlated with preoperative intubation (p = 0.02) and the use of preoperative inotropic agents (p = 0.03). CONCLUSIONS: Avoidance of cardiac arrest by means of continuous coronary perfusion in addition to continuous systemic perfusion significantly improves postoperative hemodynamic performance and thus helps to reduce hospital mortality after the modified Norwood procedure.
Authors:
Joachim Photiadis; Boulos Asfour; Nicodème Sinzobahamvya; Christoph Fink; Ehrenfried Schindler; Anne-Marie Brecher; Andreas E Urban
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Annals of thoracic surgery     Volume:  81     ISSN:  1552-6259     ISO Abbreviation:  Ann. Thorac. Surg.     Publication Date:  2006 Mar 
Date Detail:
Created Date:  2006-02-20     Completed Date:  2006-09-08     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  15030100R     Medline TA:  Ann Thorac Surg     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  976-81     Citation Subset:  AIM; IM    
Affiliation:
Department of Pediatric Thoracic and Cardiovascular Surgery, German Pediatric Heart Institute, Sankt Augustin, Germany. photiadis@gmx.de
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MeSH Terms
Descriptor/Qualifier:
Aorta, Thoracic
Blood Pressure
Cardiac Surgical Procedures
Cardiopulmonary Bypass*
Heart Arrest, Induced
Heart Rate
Hemodynamics*
Humans
Hypoplastic Left Heart Syndrome / surgery*
Infant
Infant, Newborn
Oxygen / blood
Postoperative Period
Pulmonary Artery / surgery
Transplantation, Homologous
Treatment Outcome
Chemical
Reg. No./Substance:
7782-44-7/Oxygen
Comments/Corrections
Comment In:
Ann Thorac Surg. 2006 Mar;81(3):981   [PMID:  16488705 ]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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